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| author | drh <> | 2024-08-17 23:23:23 +0000 |
|---|---|---|
| committer | drh <> | 2024-08-17 23:23:23 +0000 |
| commit | b204b6aa7bd94252c8043f53701f314ee433bafd (patch) | |
| tree | f04c3e135374b5327a0efcc17ceca3e0466131a9 /src/build.c | |
| parent | 8797bd695f97db094bf10e546170d7b1e266867c (diff) | |
| download | sqlite-b204b6aa7bd94252c8043f53701f314ee433bafd.tar.gz sqlite-b204b6aa7bd94252c8043f53701f314ee433bafd.zip | |
Give unique names to fields in the SrcItem object, to facilitate analysis of
how those fields are used using "grep".
FossilOrigin-Name: 9f5aeef3cbc2c95267c8f7bf60d5c66971a76789669fb0e8f853273ff6f616f2
Diffstat (limited to 'src/build.c')
| -rw-r--r-- | src/build.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/build.c b/src/build.c index a0c4b493f..ff798087a 100644 --- a/src/build.c +++ b/src/build.c @@ -4914,8 +4914,8 @@ void sqlite3SrcListAssignCursors(Parse *pParse, SrcList *pList){ for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){ if( pItem->iCursor>=0 ) continue; pItem->iCursor = pParse->nTab++; - if( pItem->pSelect ){ - sqlite3SrcListAssignCursors(pParse, pItem->pSelect->pSrc); + if( pItem->sq.pSelect ){ + sqlite3SrcListAssignCursors(pParse, pItem->sq.pSelect->pSrc); } } } @@ -4930,6 +4930,15 @@ void sqlite3SrcListDelete(sqlite3 *db, SrcList *pList){ assert( db!=0 ); if( pList==0 ) return; for(pItem=pList->a, i=0; i<pList->nSrc; i++, pItem++){ + + /* Check invariants on SrcItem */ + assert( pItem->sq.pSelect==0 + || (pItem->sq.pSelect->selFlags & SF_MultiValue)==0 + || (pItem->fg.hadSchema==0 + && (pItem->fg.fixedSchema || pItem->u4.zDatabase==0)) ); + assert( pItem->fg.hadSchema==0 || pItem->fg.fixedSchema==1 ); + + if( pItem->zName ) sqlite3DbNNFreeNN(db, pItem->zName); if( pItem->zAlias ) sqlite3DbNNFreeNN(db, pItem->zAlias); if( pItem->fg.fixedSchema==0 && pItem->u4.zDatabase!=0 ){ @@ -4937,8 +4946,8 @@ void sqlite3SrcListDelete(sqlite3 *db, SrcList *pList){ } if( pItem->fg.isIndexedBy ) sqlite3DbFree(db, pItem->u1.zIndexedBy); if( pItem->fg.isTabFunc ) sqlite3ExprListDelete(db, pItem->u1.pFuncArg); - sqlite3DeleteTable(db, pItem->pTab); - if( pItem->pSelect ) sqlite3SelectDelete(db, pItem->pSelect); + sqlite3DeleteTable(db, pItem->pSTab); + if( pItem->sq.pSelect ) sqlite3SelectDelete(db, pItem->sq.pSelect); if( pItem->fg.isUsing ){ sqlite3IdListDelete(db, pItem->u3.pUsing); }else if( pItem->u3.pOn ){ @@ -4998,7 +5007,7 @@ SrcList *sqlite3SrcListAppendFromTerm( pItem->zAlias = sqlite3NameFromToken(db, pAlias); } if( pSubquery ){ - pItem->pSelect = pSubquery; + pItem->sq.pSelect = pSubquery; if( pSubquery->selFlags & SF_NestedFrom ){ pItem->fg.isNestedFrom = 1; } |